Precision Measurements of Little Higgs Parameters at the International Linear Collider

Details Precision Measurements of Little Higgs Parameters at the International Linear Collider Precision Measurements of Little Higgs Parameters at the International Linear Collider

2009-01-08

arxiv.org/abs/0901.1081v3

Phys.Rev.D79:075013,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 10 figures, 6 table

Scientific paper

10.1103/PhysRevD.79.075013

We investigate a possibility of precision measurements for parameters of the Littlest Higgs model with T-parity at the International Linear Collider (ILC). The model predicts new gauge bosons (AH, ZH, and WH), among which the heavy photon (AH) is a candidate for dark matter. The masses of these new gauge bosons strongly depend on the vacuum expectation value that breaks a global symmetry of the model. Through Monte Carlo simulations of the processes: e+ e- ->AH ZH and e+ e- -> WH+ WH-, we show how precisely the masses can be determined at the ILC for a representative parameter point of the model. We also discuss the determination of the Little Higgs parameters and its impact on the future measurement of the thermal abundance of the dark matter relics in our universe.

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